Suppose the Wavelength of the 656

question 76

Multiple Choice

Suppose the wavelength of the 656.3-nm line in the hydrogen spectrum is shifted to 656.8 nm for light from a particular star.What can you deduce for the speed of the star relative to us?

• A)914 km/s toward us
• B)457 km/s toward us
• C)914 km/s away from us
• D)none of these answers
• E)457 km/s away from us

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Definitions:

Radio Listening

The activity or measure of how many people listen to radio broadcasts within a given period or demographic.

Population Standard Deviation

A measure of the dispersion or spread of a set of data points in a population from its mean, indicating how widely the data points are scattered.

Significance Level

Another term for the level of significance, denoting the threshold below which the null hypothesis is rejected in a statistical test.

Normal Population

A population distribution that follows the normal (Gaussian) statistical distribution, characterized by a bell-shaped curve.